Home / 295,488,009.20-443,232,013.80-142,433,001.20

Finding the Fourth Proportional to 295,488,009.20, 443,232,013.80 and 142,433,001.20

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Solution

The fourth proportional to 295,488,009.20, 443,232,013.80 and 142,433,001.20 is: 213,649,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,009.20 : 443,232,013.80 = 142,433,001.20 : x
  2. Step 2: Convert to fraction form
    295,488,009.20/443,232,013.80 = 142,433,001.20/x
  3. Step 3: Cross multiply
    295,488,009.20x = 443,232,013.80 × 142,433,001.20
  4. Step 4: Simplify right side
    295,488,009.20x = 63,130,865,953,453,816
  5. Step 5: Solve for x
    x = 63,130,865,953,453,816/295,488,009.20
  6. Step 6: Final answer
    x = 213,649,501.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.